Philadelphia Savings Fund Society Building

…by Carrier for the 32-story Philadelphia Savings Fund Society Building (1932). The central air-handling units were placed with the refrigeration plant on the 20th floor, and conditioned air was distributed through vertical ducts to the occupied floors and horizontally to each room and returned through the corridors to vertical exhaust…

…conjunction with George Howe, the Philadelphia Savings Fund Society Building, or PSFS (1931–32), which effectively introduced the International style of architecture into the United States. It is considered one of the best-designed skyscrapers of the pre-World War II era of modern architecture.

…and office building of the Philadelphia Savings Fund Society (1931–32) by George Howe and William Lescaze, a Swiss architect, gave the skyscraper its first thoroughly 20th-century form, and Hood, again, produced a counterpart in New York City, the McGraw-Hill Building (1931). Few of these, including the Empire State Building (1931),…